Clear-Com ICS-22 - Manual (Page 13)

Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual 1 - 7
Panel-Mic Connector
Clear-Com recommends that the GM-9 (9-in. long) and GM-18 (18-in.
long) plug-in panel microphones be used with the ICS-22. Both are the
electret type. The 1/4-in. phone jack on the microphone mates with the
panel-mic receptacle on the ICS-22’s front panel.
To install a GM-9 or GM-18 microphone:
1. Remove the plastic plug from the jack, if present.
2. If a set screw is present in the microphone-mounting flange, check
and unscrew it to make sure it is clear of the threads in the bushing.
3. Screw the microphone into the bushing and tighten.
4. Optional: Replace the set screw supplied with the gooseneck
microphone on top of the microphone-mounting flange and turn it
clockwise to lock the microphone in place.
VOX Control
When the panel microphone is selected on the ICS-22, the VOX
control should be adjusted for proper operation. This control is located
to the right of the panel microphone connector and is recessed slightly
into the front panel. Use a narrow, flat-bladed screwdriver such as a
“greenie” or “tweaker” for this adjustment. When the adjustment is
correctly set, the talk lamp will be red when speaking into the panel
microphone and will be green when hearing audio from the speaker.
Turning the control clockwise makes the ICS-22 more sensitive. The
VOX feature can be disabled by turning the VOX control fully
counterclockwise.
INTERNAL CONNECTIONS
These controls are not to be adjusted on this panel, but are set as
follows:
• To install a GM-9 or
GM-18 microphone
there are four steps.
• The VOX control is
located to the right of
the panel microphone
connector and is
recessed slightly into
the front panel.